470, 4.350 bore, 1/16, 1/16, 3/16 package. Street strip, mostly street NA. .004-0045 per inch of bore on top ring, slightly more gap on second ring .0005 So .0020 on top ring and .0022 on second ring Any thoughts or recommendations? Thanks
Depends on the material of the piston and how high up the top ring land is on the piston in regards to stock.
https://www.v8buick.com/index.php?threads/buick-464-big-block.39526/#post-292927 https://www.v8buick.com/index.php?threads/ring-sets-and-filing.349303/#post-2973624
You can go lots more on the second it's an oil wiper not a compression ring .don't even fear if you take too much away .